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Message #186644
[Bug 1594455] Re: enable CRC32 and AES ARM64 by default or as module
This bug is awaiting verification that the kernel in -proposed solves
the problem. Please test the kernel and update this bug with the
results. If the problem is solved, change the tag 'verification-needed-
xenial' to 'verification-done-xenial'.
If verification is not done by 5 working days from today, this fix will
be dropped from the source code, and this bug will be closed.
See https://wiki.ubuntu.com/Testing/EnableProposed for documentation how
to enable and use -proposed. Thank you!
** Tags added: verification-needed-xenial
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https://bugs.launchpad.net/bugs/1594455
Title:
enable CRC32 and AES ARM64 by default or as module
Status in linux package in Ubuntu:
Triaged
Status in linux source package in Xenial:
Fix Committed
Bug description:
The following kernel config options are disabled in linux-
image-4.4.0-25-generic_4.4.0-25.44_arm64.deb and earlier. I ask that
these config options to be turned on or set to use as module so that a
kernel running on hardware that supports the instructions will use
them. These modules use module_cpu_feature_match() so it should fall
back to using the generic versions when run on hardware that does not
have the instructions.
CRYPTO_CRC32_ARM64
CRYPTO_AES_ARM64_CE
CRYPTO_AES_ARM64_CE_CCM
CRYPTO_AES_ARM64_CE_BLK
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References